4 * Copyright (c) 2003-2008 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
31 #include "sysemu/seccomp.h"
32 #include "sys/prctl.h"
35 #if defined(CONFIG_VDE)
36 #include <libvdeplug.h>
40 #if defined(__APPLE__) || defined(main)
42 int qemu_main(int argc, char **argv, char **envp);
43 int main(int argc, char **argv)
45 return qemu_main(argc, argv, NULL);
48 #define main qemu_main
50 #endif /* CONFIG_SDL */
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
61 #include "hw/boards.h"
62 #include "sysemu/accel.h"
64 #include "hw/i386/pc.h"
65 #include "hw/isa/isa.h"
66 #include "hw/scsi/scsi.h"
68 #include "sysemu/watchdog.h"
69 #include "hw/smbios/smbios.h"
70 #include "hw/acpi/acpi.h"
71 #include "hw/xen/xen.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
81 #include "sysemu/sysemu.h"
82 #include "sysemu/numa.h"
83 #include "exec/gdbstub.h"
84 #include "qemu/timer.h"
85 #include "chardev/char.h"
86 #include "qemu/bitmap.h"
88 #include "sysemu/blockdev.h"
89 #include "hw/block/block.h"
90 #include "migration/misc.h"
91 #include "migration/snapshot.h"
92 #include "migration/global_state.h"
93 #include "sysemu/tpm.h"
94 #include "sysemu/dma.h"
95 #include "hw/audio/soundhw.h"
96 #include "audio/audio.h"
97 #include "sysemu/cpus.h"
98 #include "migration/colo.h"
99 #include "sysemu/kvm.h"
100 #include "sysemu/hax.h"
101 #include "qapi/qobject-input-visitor.h"
102 #include "qapi/qobject-input-visitor.h"
103 #include "qapi-visit.h"
104 #include "qapi/qmp/qjson.h"
105 #include "qemu/option.h"
106 #include "qemu/config-file.h"
107 #include "qemu-options.h"
108 #include "qmp-commands.h"
109 #include "qemu/main-loop.h"
111 #include "fsdev/qemu-fsdev.h"
113 #include "sysemu/qtest.h"
115 #include "disas/disas.h"
118 #include "slirp/libslirp.h"
120 #include "trace-root.h"
121 #include "trace/control.h"
122 #include "qemu/queue.h"
123 #include "sysemu/arch_init.h"
125 #include "ui/qemu-spice.h"
126 #include "qapi/string-input-visitor.h"
127 #include "qapi/opts-visitor.h"
128 #include "qom/object_interfaces.h"
129 #include "qapi-event.h"
130 #include "exec/semihost.h"
131 #include "crypto/init.h"
132 #include "sysemu/replay.h"
133 #include "qapi/qmp/qerror.h"
134 #include "sysemu/iothread.h"
136 #define MAX_VIRTIO_CONSOLES 1
137 #define MAX_SCLP_CONSOLES 1
139 static const char *data_dir[16];
140 static int data_dir_idx;
141 const char *bios_name = NULL;
142 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
143 int request_opengl = -1;
145 const char* keyboard_layout = NULL;
147 const char *mem_path = NULL;
148 int mem_prealloc = 0; /* force preallocation of physical target memory */
149 bool enable_mlock = false;
151 NICInfo nd_table[MAX_NICS];
153 static int rtc_utc = 1;
154 static int rtc_date_offset = -1; /* -1 means no change */
155 QEMUClockType rtc_clock;
156 int vga_interface_type = VGA_NONE;
157 static int full_screen = 0;
158 static int no_frame = 0;
160 static bool grab_on_hover;
161 Chardev *serial_hds[MAX_SERIAL_PORTS];
162 Chardev *parallel_hds[MAX_PARALLEL_PORTS];
163 Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
164 Chardev *sclp_hds[MAX_SCLP_CONSOLES];
165 int win2k_install_hack = 0;
171 int acpi_enabled = 1;
174 static int no_reboot;
177 int graphic_rotate = 0;
178 const char *watchdog;
179 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
182 const char *qemu_name;
185 unsigned int nb_prom_envs = 0;
186 const char *prom_envs[MAX_PROM_ENVS];
189 uint8_t *boot_splash_filedata;
190 size_t boot_splash_filedata_size;
191 uint8_t qemu_extra_params_fw[2];
193 int icount_align_option;
195 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
196 * little-endian "wire format" described in the SMBIOS 2.6 specification.
201 static NotifierList exit_notifiers =
202 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
204 static NotifierList machine_init_done_notifiers =
205 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
209 enum xen_mode xen_mode = XEN_EMULATE;
210 bool xen_domid_restrict;
212 static int has_defaults = 1;
213 static int default_serial = 1;
214 static int default_parallel = 1;
215 static int default_virtcon = 1;
216 static int default_sclp = 1;
217 static int default_monitor = 1;
218 static int default_floppy = 1;
219 static int default_cdrom = 1;
220 static int default_sdcard = 1;
221 static int default_vga = 1;
222 static int default_net = 1;
228 { .driver = "isa-serial", .flag = &default_serial },
229 { .driver = "isa-parallel", .flag = &default_parallel },
230 { .driver = "isa-fdc", .flag = &default_floppy },
231 { .driver = "floppy", .flag = &default_floppy },
232 { .driver = "ide-cd", .flag = &default_cdrom },
233 { .driver = "ide-hd", .flag = &default_cdrom },
234 { .driver = "ide-drive", .flag = &default_cdrom },
235 { .driver = "scsi-cd", .flag = &default_cdrom },
236 { .driver = "scsi-hd", .flag = &default_cdrom },
237 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
238 { .driver = "virtio-serial", .flag = &default_virtcon },
239 { .driver = "VGA", .flag = &default_vga },
240 { .driver = "isa-vga", .flag = &default_vga },
241 { .driver = "cirrus-vga", .flag = &default_vga },
242 { .driver = "isa-cirrus-vga", .flag = &default_vga },
243 { .driver = "vmware-svga", .flag = &default_vga },
244 { .driver = "qxl-vga", .flag = &default_vga },
245 { .driver = "virtio-vga", .flag = &default_vga },
248 static QemuOptsList qemu_rtc_opts = {
250 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
254 .type = QEMU_OPT_STRING,
257 .type = QEMU_OPT_STRING,
260 .type = QEMU_OPT_STRING,
262 { /* end of list */ }
266 static QemuOptsList qemu_sandbox_opts = {
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
273 .type = QEMU_OPT_BOOL,
277 .type = QEMU_OPT_STRING,
280 .name = "elevateprivileges",
281 .type = QEMU_OPT_STRING,
285 .type = QEMU_OPT_STRING,
288 .name = "resourcecontrol",
289 .type = QEMU_OPT_STRING,
291 { /* end of list */ }
295 static QemuOptsList qemu_option_rom_opts = {
296 .name = "option-rom",
297 .implied_opt_name = "romfile",
298 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
302 .type = QEMU_OPT_NUMBER,
305 .type = QEMU_OPT_STRING,
307 { /* end of list */ }
311 static QemuOptsList qemu_machine_opts = {
313 .implied_opt_name = "type",
315 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
318 * no elements => accept any
319 * sanity checking will happen later
320 * when setting machine properties
326 static QemuOptsList qemu_accel_opts = {
328 .implied_opt_name = "accel",
329 .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
334 .type = QEMU_OPT_STRING,
335 .help = "Select the type of accelerator",
339 .type = QEMU_OPT_STRING,
340 .help = "Enable/disable multi-threaded TCG",
342 { /* end of list */ }
346 static QemuOptsList qemu_boot_opts = {
348 .implied_opt_name = "order",
350 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
354 .type = QEMU_OPT_STRING,
357 .type = QEMU_OPT_STRING,
360 .type = QEMU_OPT_BOOL,
363 .type = QEMU_OPT_STRING,
365 .name = "splash-time",
366 .type = QEMU_OPT_STRING,
368 .name = "reboot-timeout",
369 .type = QEMU_OPT_STRING,
372 .type = QEMU_OPT_BOOL,
378 static QemuOptsList qemu_add_fd_opts = {
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
384 .type = QEMU_OPT_NUMBER,
385 .help = "file descriptor of which a duplicate is added to fd set",
388 .type = QEMU_OPT_NUMBER,
389 .help = "ID of the fd set to add fd to",
392 .type = QEMU_OPT_STRING,
393 .help = "free-form string used to describe fd",
395 { /* end of list */ }
399 static QemuOptsList qemu_object_opts = {
401 .implied_opt_name = "qom-type",
402 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
408 static QemuOptsList qemu_tpmdev_opts = {
410 .implied_opt_name = "type",
411 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
413 /* options are defined in the TPM backends */
414 { /* end of list */ }
418 static QemuOptsList qemu_realtime_opts = {
420 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
424 .type = QEMU_OPT_BOOL,
426 { /* end of list */ }
430 static QemuOptsList qemu_msg_opts = {
432 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
436 .type = QEMU_OPT_BOOL,
438 { /* end of list */ }
442 static QemuOptsList qemu_name_opts = {
444 .implied_opt_name = "guest",
446 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
450 .type = QEMU_OPT_STRING,
451 .help = "Sets the name of the guest.\n"
452 "This name will be displayed in the SDL window caption.\n"
453 "The name will also be used for the VNC server",
456 .type = QEMU_OPT_STRING,
457 .help = "Sets the name of the QEMU process, as shown in top etc",
459 .name = "debug-threads",
460 .type = QEMU_OPT_BOOL,
461 .help = "When enabled, name the individual threads; defaults off.\n"
462 "NOTE: The thread names are for debugging and not a\n"
465 { /* End of list */ }
469 static QemuOptsList qemu_mem_opts = {
471 .implied_opt_name = "size",
472 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
477 .type = QEMU_OPT_SIZE,
481 .type = QEMU_OPT_NUMBER,
485 .type = QEMU_OPT_SIZE,
487 { /* end of list */ }
491 static QemuOptsList qemu_icount_opts = {
493 .implied_opt_name = "shift",
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
499 .type = QEMU_OPT_STRING,
502 .type = QEMU_OPT_BOOL,
505 .type = QEMU_OPT_BOOL,
508 .type = QEMU_OPT_STRING,
511 .type = QEMU_OPT_STRING,
513 .name = "rrsnapshot",
514 .type = QEMU_OPT_STRING,
516 { /* end of list */ }
520 static QemuOptsList qemu_semihosting_config_opts = {
521 .name = "semihosting-config",
522 .implied_opt_name = "enable",
523 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
527 .type = QEMU_OPT_BOOL,
530 .type = QEMU_OPT_STRING,
533 .type = QEMU_OPT_STRING,
535 { /* end of list */ }
539 static QemuOptsList qemu_fw_cfg_opts = {
541 .implied_opt_name = "name",
542 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
546 .type = QEMU_OPT_STRING,
547 .help = "Sets the fw_cfg name of the blob to be inserted",
550 .type = QEMU_OPT_STRING,
551 .help = "Sets the name of the file from which\n"
552 "the fw_cfg blob will be loaded",
555 .type = QEMU_OPT_STRING,
556 .help = "Sets content of the blob to be inserted from a string",
558 { /* end of list */ }
563 * Get machine options
565 * Returns: machine options (never null).
567 QemuOpts *qemu_get_machine_opts(void)
569 return qemu_find_opts_singleton("machine");
572 const char *qemu_get_vm_name(void)
577 static void res_free(void)
579 g_free(boot_splash_filedata);
580 boot_splash_filedata = NULL;
583 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
585 const char *driver = qemu_opt_get(opts, "driver");
590 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
591 if (strcmp(default_list[i].driver, driver) != 0)
593 *(default_list[i].flag) = 0;
598 /***********************************************************/
601 static RunState current_run_state = RUN_STATE_PRELAUNCH;
603 /* We use RUN_STATE__MAX but any invalid value will do */
604 static RunState vmstop_requested = RUN_STATE__MAX;
605 static QemuMutex vmstop_lock;
610 } RunStateTransition;
612 static const RunStateTransition runstate_transitions_def[] = {
614 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
615 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
618 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
619 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
620 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
621 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
622 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
623 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
624 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
625 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
626 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
628 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
629 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
631 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
632 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
635 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
636 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
639 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
640 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
641 { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
642 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
643 { RUN_STATE_PAUSED, RUN_STATE_COLO},
645 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
646 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
647 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
649 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
650 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
651 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
653 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
654 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
655 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
656 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
657 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
659 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
660 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
662 { RUN_STATE_COLO, RUN_STATE_RUNNING },
664 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
665 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
666 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
667 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
668 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
669 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
670 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
671 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
672 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
673 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
674 { RUN_STATE_RUNNING, RUN_STATE_COLO},
676 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
678 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
679 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
680 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
682 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
683 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
684 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
685 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
686 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
687 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
689 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
690 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
691 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
692 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
694 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
695 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
696 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
698 { RUN_STATE__MAX, RUN_STATE__MAX },
701 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
703 bool runstate_check(RunState state)
705 return current_run_state == state;
708 bool runstate_store(char *str, size_t size)
710 const char *state = RunState_str(current_run_state);
711 size_t len = strlen(state) + 1;
716 memcpy(str, state, len);
720 static void runstate_init(void)
722 const RunStateTransition *p;
724 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
725 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
726 runstate_valid_transitions[p->from][p->to] = true;
729 qemu_mutex_init(&vmstop_lock);
732 /* This function will abort() on invalid state transitions */
733 void runstate_set(RunState new_state)
735 assert(new_state < RUN_STATE__MAX);
737 if (current_run_state == new_state) {
741 if (!runstate_valid_transitions[current_run_state][new_state]) {
742 error_report("invalid runstate transition: '%s' -> '%s'",
743 RunState_str(current_run_state),
744 RunState_str(new_state));
747 trace_runstate_set(new_state);
748 current_run_state = new_state;
751 int runstate_is_running(void)
753 return runstate_check(RUN_STATE_RUNNING);
756 bool runstate_needs_reset(void)
758 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
759 runstate_check(RUN_STATE_SHUTDOWN);
762 StatusInfo *qmp_query_status(Error **errp)
764 StatusInfo *info = g_malloc0(sizeof(*info));
766 info->running = runstate_is_running();
767 info->singlestep = singlestep;
768 info->status = current_run_state;
773 bool qemu_vmstop_requested(RunState *r)
775 qemu_mutex_lock(&vmstop_lock);
776 *r = vmstop_requested;
777 vmstop_requested = RUN_STATE__MAX;
778 qemu_mutex_unlock(&vmstop_lock);
779 return *r < RUN_STATE__MAX;
782 void qemu_system_vmstop_request_prepare(void)
784 qemu_mutex_lock(&vmstop_lock);
787 void qemu_system_vmstop_request(RunState state)
789 vmstop_requested = state;
790 qemu_mutex_unlock(&vmstop_lock);
794 /***********************************************************/
795 /* real time host monotonic timer */
797 static time_t qemu_time(void)
799 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
802 /***********************************************************/
803 /* host time/date access */
804 void qemu_get_timedate(struct tm *tm, int offset)
806 time_t ti = qemu_time();
809 if (rtc_date_offset == -1) {
813 localtime_r(&ti, tm);
815 ti -= rtc_date_offset;
820 int qemu_timedate_diff(struct tm *tm)
824 if (rtc_date_offset == -1)
826 seconds = mktimegm(tm);
829 tmp.tm_isdst = -1; /* use timezone to figure it out */
830 seconds = mktime(&tmp);
833 seconds = mktimegm(tm) + rtc_date_offset;
835 return seconds - qemu_time();
838 static void configure_rtc_date_offset(const char *startdate, int legacy)
840 time_t rtc_start_date;
843 if (!strcmp(startdate, "now") && legacy) {
844 rtc_date_offset = -1;
846 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
854 } else if (sscanf(startdate, "%d-%d-%d",
866 rtc_start_date = mktimegm(&tm);
867 if (rtc_start_date == -1) {
869 error_report("invalid date format");
870 error_printf("valid formats: "
871 "'2006-06-17T16:01:21' or '2006-06-17'\n");
874 rtc_date_offset = qemu_time() - rtc_start_date;
878 static void configure_rtc(QemuOpts *opts)
882 value = qemu_opt_get(opts, "base");
884 if (!strcmp(value, "utc")) {
886 } else if (!strcmp(value, "localtime")) {
887 Error *blocker = NULL;
889 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
890 "-rtc base=localtime");
891 replay_add_blocker(blocker);
893 configure_rtc_date_offset(value, 0);
896 value = qemu_opt_get(opts, "clock");
898 if (!strcmp(value, "host")) {
899 rtc_clock = QEMU_CLOCK_HOST;
900 } else if (!strcmp(value, "rt")) {
901 rtc_clock = QEMU_CLOCK_REALTIME;
902 } else if (!strcmp(value, "vm")) {
903 rtc_clock = QEMU_CLOCK_VIRTUAL;
905 error_report("invalid option value '%s'", value);
909 value = qemu_opt_get(opts, "driftfix");
911 if (!strcmp(value, "slew")) {
912 static GlobalProperty slew_lost_ticks = {
913 .driver = "mc146818rtc",
914 .property = "lost_tick_policy",
918 qdev_prop_register_global(&slew_lost_ticks);
919 } else if (!strcmp(value, "none")) {
920 /* discard is default */
922 error_report("invalid option value '%s'", value);
928 /***********************************************************/
929 /* Bluetooth support */
932 static struct HCIInfo *hci_table[MAX_NICS];
934 struct HCIInfo *qemu_next_hci(void)
936 if (cur_hci == nb_hcis)
939 return hci_table[cur_hci++];
942 static int bt_hci_parse(const char *str)
947 if (nb_hcis >= MAX_NICS) {
948 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
961 bdaddr.b[5] = 0x56 + nb_hcis;
962 hci->bdaddr_set(hci, bdaddr.b);
964 hci_table[nb_hcis++] = hci;
969 static void bt_vhci_add(int vlan_id)
971 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
974 warn_report("adding a VHCI to an empty scatternet %i",
977 bt_vhci_init(bt_new_hci(vlan));
980 static struct bt_device_s *bt_device_add(const char *opt)
982 struct bt_scatternet_s *vlan;
984 char *endp = strstr(opt, ",vlan=");
985 int len = (endp ? endp - opt : strlen(opt)) + 1;
988 pstrcpy(devname, MIN(sizeof(devname), len), opt);
991 vlan_id = strtol(endp + 6, &endp, 0);
993 error_report("unrecognised bluetooth vlan Id");
998 vlan = qemu_find_bt_vlan(vlan_id);
1001 warn_report("adding a slave device to an empty scatternet %i",
1004 if (!strcmp(devname, "keyboard"))
1005 return bt_keyboard_init(vlan);
1007 error_report("unsupported bluetooth device '%s'", devname);
1011 static int bt_parse(const char *opt)
1013 const char *endp, *p;
1016 if (strstart(opt, "hci", &endp)) {
1017 if (!*endp || *endp == ',') {
1019 if (!strstart(endp, ",vlan=", 0))
1022 return bt_hci_parse(opt);
1024 } else if (strstart(opt, "vhci", &endp)) {
1025 if (!*endp || *endp == ',') {
1027 if (strstart(endp, ",vlan=", &p)) {
1028 vlan = strtol(p, (char **) &endp, 0);
1030 error_report("bad scatternet '%s'", p);
1034 error_report("bad parameter '%s'", endp + 1);
1043 } else if (strstart(opt, "device:", &endp))
1044 return !bt_device_add(endp);
1046 error_report("bad bluetooth parameter '%s'", opt);
1050 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1052 if (qemu_opt_get_bool(opts, "enable", false)) {
1053 #ifdef CONFIG_SECCOMP
1054 uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
1055 | QEMU_SECCOMP_SET_OBSOLETE;
1056 const char *value = NULL;
1058 value = qemu_opt_get(opts, "obsolete");
1060 if (g_str_equal(value, "allow")) {
1061 seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
1062 } else if (g_str_equal(value, "deny")) {
1063 /* this is the default option, this if is here
1064 * to provide a little bit of consistency for
1065 * the command line */
1067 error_report("invalid argument for obsolete");
1072 value = qemu_opt_get(opts, "elevateprivileges");
1074 if (g_str_equal(value, "deny")) {
1075 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1076 } else if (g_str_equal(value, "children")) {
1077 seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
1079 /* calling prctl directly because we're
1080 * not sure if host has CAP_SYS_ADMIN set*/
1081 if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
1082 error_report("failed to set no_new_privs "
1086 } else if (g_str_equal(value, "allow")) {
1089 error_report("invalid argument for elevateprivileges");
1094 value = qemu_opt_get(opts, "spawn");
1096 if (g_str_equal(value, "deny")) {
1097 seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
1098 } else if (g_str_equal(value, "allow")) {
1101 error_report("invalid argument for spawn");
1106 value = qemu_opt_get(opts, "resourcecontrol");
1108 if (g_str_equal(value, "deny")) {
1109 seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
1110 } else if (g_str_equal(value, "allow")) {
1113 error_report("invalid argument for resourcecontrol");
1118 if (seccomp_start(seccomp_opts) < 0) {
1119 error_report("failed to install seccomp syscall filter "
1124 error_report("seccomp support is disabled");
1132 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1134 const char *proc_name;
1136 if (qemu_opt_get(opts, "debug-threads")) {
1137 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1139 qemu_name = qemu_opt_get(opts, "guest");
1141 proc_name = qemu_opt_get(opts, "process");
1143 os_set_proc_name(proc_name);
1149 bool defaults_enabled(void)
1151 return has_defaults;
1155 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1157 int fd, dupfd, flags;
1159 const char *fd_opaque = NULL;
1162 fd = qemu_opt_get_number(opts, "fd", -1);
1163 fdset_id = qemu_opt_get_number(opts, "set", -1);
1164 fd_opaque = qemu_opt_get(opts, "opaque");
1167 error_report("fd option is required and must be non-negative");
1171 if (fd <= STDERR_FILENO) {
1172 error_report("fd cannot be a standard I/O stream");
1177 * All fds inherited across exec() necessarily have FD_CLOEXEC
1178 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1180 flags = fcntl(fd, F_GETFD);
1181 if (flags == -1 || (flags & FD_CLOEXEC)) {
1182 error_report("fd is not valid or already in use");
1187 error_report("set option is required and must be non-negative");
1191 #ifdef F_DUPFD_CLOEXEC
1192 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1196 qemu_set_cloexec(dupfd);
1200 error_report("error duplicating fd: %s", strerror(errno));
1204 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1205 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1212 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1216 fd = qemu_opt_get_number(opts, "fd", -1);
1223 /***********************************************************/
1224 /* QEMU Block devices */
1226 #define HD_OPTS "media=disk"
1227 #define CDROM_OPTS "media=cdrom"
1229 #define PFLASH_OPTS ""
1233 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1235 BlockInterfaceType *block_default_type = opaque;
1237 return drive_new(opts, *block_default_type) == NULL;
1240 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1242 if (qemu_opt_get(opts, "snapshot") == NULL) {
1243 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1248 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1249 int index, const char *optstr)
1254 if (!enable || drive_get_by_index(type, index)) {
1258 opts = drive_add(type, index, NULL, optstr);
1260 drive_enable_snapshot(NULL, opts, NULL);
1263 dinfo = drive_new(opts, type);
1267 dinfo->is_default = true;
1271 static QemuOptsList qemu_smp_opts = {
1273 .implied_opt_name = "cpus",
1274 .merge_lists = true,
1275 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1279 .type = QEMU_OPT_NUMBER,
1282 .type = QEMU_OPT_NUMBER,
1285 .type = QEMU_OPT_NUMBER,
1288 .type = QEMU_OPT_NUMBER,
1291 .type = QEMU_OPT_NUMBER,
1293 { /*End of list */ }
1297 static void smp_parse(QemuOpts *opts)
1300 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1301 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1302 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1303 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1305 /* compute missing values, prefer sockets over cores over threads */
1306 if (cpus == 0 || sockets == 0) {
1307 sockets = sockets > 0 ? sockets : 1;
1308 cores = cores > 0 ? cores : 1;
1309 threads = threads > 0 ? threads : 1;
1311 cpus = cores * threads * sockets;
1313 } else if (cores == 0) {
1314 threads = threads > 0 ? threads : 1;
1315 cores = cpus / (sockets * threads);
1316 cores = cores > 0 ? cores : 1;
1317 } else if (threads == 0) {
1318 threads = cpus / (cores * sockets);
1319 threads = threads > 0 ? threads : 1;
1320 } else if (sockets * cores * threads < cpus) {
1321 error_report("cpu topology: "
1322 "sockets (%u) * cores (%u) * threads (%u) < "
1324 sockets, cores, threads, cpus);
1328 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1330 if (max_cpus < cpus) {
1331 error_report("maxcpus must be equal to or greater than smp");
1335 if (sockets * cores * threads > max_cpus) {
1336 error_report("cpu topology: "
1337 "sockets (%u) * cores (%u) * threads (%u) > "
1339 sockets, cores, threads, max_cpus);
1345 smp_threads = threads;
1349 Error *blocker = NULL;
1350 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1351 replay_add_blocker(blocker);
1355 static void realtime_init(void)
1358 if (os_mlock() < 0) {
1359 error_report("locking memory failed");
1366 static void configure_msg(QemuOpts *opts)
1368 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1371 /***********************************************************/
1374 typedef struct SemihostingConfig {
1376 SemihostingTarget target;
1379 const char *cmdline; /* concatenated argv */
1380 } SemihostingConfig;
1382 static SemihostingConfig semihosting;
1384 bool semihosting_enabled(void)
1386 return semihosting.enabled;
1389 SemihostingTarget semihosting_get_target(void)
1391 return semihosting.target;
1394 const char *semihosting_get_arg(int i)
1396 if (i >= semihosting.argc) {
1399 return semihosting.argv[i];
1402 int semihosting_get_argc(void)
1404 return semihosting.argc;
1407 const char *semihosting_get_cmdline(void)
1409 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1410 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1412 return semihosting.cmdline;
1415 static int add_semihosting_arg(void *opaque,
1416 const char *name, const char *val,
1419 SemihostingConfig *s = opaque;
1420 if (strcmp(name, "arg") == 0) {
1422 /* one extra element as g_strjoinv() expects NULL-terminated array */
1423 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1424 s->argv[s->argc - 1] = val;
1425 s->argv[s->argc] = NULL;
1430 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1431 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1436 add_semihosting_arg(&semihosting, "arg", file, NULL);
1438 /* split -append and initialize argv[1..n] */
1439 cmd_token = strtok(g_strdup(cmd), " ");
1441 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1442 cmd_token = strtok(NULL, " ");
1446 /* Now we still need this for compatibility with XEN. */
1447 bool has_igd_gfx_passthru;
1448 static void igd_gfx_passthru(void)
1450 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1453 /***********************************************************/
1456 static int usb_device_add(const char *devname)
1458 USBDevice *dev = NULL;
1459 #ifndef CONFIG_LINUX
1463 if (!machine_usb(current_machine)) {
1467 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1468 dev = usbdevice_create(devname);
1472 /* the other ones */
1473 #ifndef CONFIG_LINUX
1474 /* only the linux version is qdev-ified, usb-bsd still needs this */
1475 if (strstart(devname, "host:", &p)) {
1476 dev = usb_host_device_open(usb_bus_find(-1), p);
1486 static int usb_device_del(const char *devname)
1491 if (strstart(devname, "host:", &p)) {
1495 if (!machine_usb(current_machine)) {
1499 p = strchr(devname, '.');
1502 bus_num = strtoul(devname, NULL, 0);
1503 addr = strtoul(p + 1, NULL, 0);
1505 return usb_device_delete_addr(bus_num, addr);
1508 static int usb_parse(const char *cmdline)
1511 r = usb_device_add(cmdline);
1513 error_report("could not add USB device '%s'", cmdline);
1518 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1520 const char *devname = qdict_get_str(qdict, "devname");
1522 error_report("usb_add is deprecated, please use device_add instead");
1524 if (usb_device_add(devname) < 0) {
1525 error_report("could not add USB device '%s'", devname);
1529 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1531 const char *devname = qdict_get_str(qdict, "devname");
1533 error_report("usb_del is deprecated, please use device_del instead");
1535 if (usb_device_del(devname) < 0) {
1536 error_report("could not delete USB device '%s'", devname);
1540 /***********************************************************/
1541 /* machine registration */
1543 MachineState *current_machine;
1545 static MachineClass *find_machine(const char *name)
1547 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1548 MachineClass *mc = NULL;
1550 for (el = machines; el; el = el->next) {
1551 MachineClass *temp = el->data;
1553 if (!strcmp(temp->name, name)) {
1558 !strcmp(temp->alias, name)) {
1564 g_slist_free(machines);
1568 MachineClass *find_default_machine(void)
1570 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1571 MachineClass *mc = NULL;
1573 for (el = machines; el; el = el->next) {
1574 MachineClass *temp = el->data;
1576 if (temp->is_default) {
1582 g_slist_free(machines);
1586 MachineInfoList *qmp_query_machines(Error **errp)
1588 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1589 MachineInfoList *mach_list = NULL;
1591 for (el = machines; el; el = el->next) {
1592 MachineClass *mc = el->data;
1593 MachineInfoList *entry;
1596 info = g_malloc0(sizeof(*info));
1597 if (mc->is_default) {
1598 info->has_is_default = true;
1599 info->is_default = true;
1603 info->has_alias = true;
1604 info->alias = g_strdup(mc->alias);
1607 info->name = g_strdup(mc->name);
1608 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1609 info->hotpluggable_cpus = mc->has_hotpluggable_cpus;
1611 entry = g_malloc0(sizeof(*entry));
1612 entry->value = info;
1613 entry->next = mach_list;
1617 g_slist_free(machines);
1621 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1623 ObjectProperty *prop;
1624 ObjectPropertyIterator iter;
1626 if (!qemu_opt_has_help_opt(opts)) {
1630 object_property_iter_init(&iter, OBJECT(machine));
1631 while ((prop = object_property_iter_next(&iter))) {
1636 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1637 prop->name, prop->type);
1638 if (prop->description) {
1639 error_printf(" (%s)\n", prop->description);
1648 /***********************************************************/
1649 /* main execution loop */
1651 struct vm_change_state_entry {
1652 VMChangeStateHandler *cb;
1654 QLIST_ENTRY (vm_change_state_entry) entries;
1657 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1659 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1662 VMChangeStateEntry *e;
1664 e = g_malloc0(sizeof (*e));
1668 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1672 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1674 QLIST_REMOVE (e, entries);
1678 void vm_state_notify(int running, RunState state)
1680 VMChangeStateEntry *e, *next;
1682 trace_vm_state_notify(running, state);
1684 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1685 e->cb(e->opaque, running, state);
1689 static ShutdownCause reset_requested;
1690 static ShutdownCause shutdown_requested;
1691 static int shutdown_signal;
1692 static pid_t shutdown_pid;
1693 static int powerdown_requested;
1694 static int debug_requested;
1695 static int suspend_requested;
1696 static WakeupReason wakeup_reason;
1697 static NotifierList powerdown_notifiers =
1698 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1699 static NotifierList suspend_notifiers =
1700 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1701 static NotifierList wakeup_notifiers =
1702 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1703 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1705 ShutdownCause qemu_shutdown_requested_get(void)
1707 return shutdown_requested;
1710 ShutdownCause qemu_reset_requested_get(void)
1712 return reset_requested;
1715 static int qemu_shutdown_requested(void)
1717 return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
1720 static void qemu_kill_report(void)
1722 if (!qtest_driver() && shutdown_signal) {
1723 if (shutdown_pid == 0) {
1724 /* This happens for eg ^C at the terminal, so it's worth
1725 * avoiding printing an odd message in that case.
1727 error_report("terminating on signal %d", shutdown_signal);
1729 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1731 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1732 shutdown_signal, shutdown_pid,
1733 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1734 g_free(shutdown_cmd);
1736 shutdown_signal = 0;
1740 static ShutdownCause qemu_reset_requested(void)
1742 ShutdownCause r = reset_requested;
1744 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1745 reset_requested = SHUTDOWN_CAUSE_NONE;
1748 return SHUTDOWN_CAUSE_NONE;
1751 static int qemu_suspend_requested(void)
1753 int r = suspend_requested;
1754 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1755 suspend_requested = 0;
1761 static WakeupReason qemu_wakeup_requested(void)
1763 return wakeup_reason;
1766 static int qemu_powerdown_requested(void)
1768 int r = powerdown_requested;
1769 powerdown_requested = 0;
1773 static int qemu_debug_requested(void)
1775 int r = debug_requested;
1776 debug_requested = 0;
1781 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1783 void qemu_system_reset(ShutdownCause reason)
1787 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1789 cpu_synchronize_all_states();
1791 if (mc && mc->reset) {
1794 qemu_devices_reset();
1797 qapi_event_send_reset(shutdown_caused_by_guest(reason),
1800 cpu_synchronize_all_post_reset();
1803 void qemu_system_guest_panicked(GuestPanicInformation *info)
1805 qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed\n");
1808 current_cpu->crash_occurred = true;
1810 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
1811 !!info, info, &error_abort);
1812 vm_stop(RUN_STATE_GUEST_PANICKED);
1814 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1815 !!info, info, &error_abort);
1816 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
1820 if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
1821 qemu_log_mask(LOG_GUEST_ERROR, "HV crash parameters: (%#"PRIx64
1822 " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
1823 info->u.hyper_v.arg1,
1824 info->u.hyper_v.arg2,
1825 info->u.hyper_v.arg3,
1826 info->u.hyper_v.arg4,
1827 info->u.hyper_v.arg5);
1829 qapi_free_GuestPanicInformation(info);
1833 void qemu_system_reset_request(ShutdownCause reason)
1836 shutdown_requested = reason;
1838 reset_requested = reason;
1841 qemu_notify_event();
1844 static void qemu_system_suspend(void)
1847 notifier_list_notify(&suspend_notifiers, NULL);
1848 runstate_set(RUN_STATE_SUSPENDED);
1849 qapi_event_send_suspend(&error_abort);
1852 void qemu_system_suspend_request(void)
1854 if (runstate_check(RUN_STATE_SUSPENDED)) {
1857 suspend_requested = 1;
1859 qemu_notify_event();
1862 void qemu_register_suspend_notifier(Notifier *notifier)
1864 notifier_list_add(&suspend_notifiers, notifier);
1867 void qemu_system_wakeup_request(WakeupReason reason)
1869 trace_system_wakeup_request(reason);
1871 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1874 if (!(wakeup_reason_mask & (1 << reason))) {
1877 runstate_set(RUN_STATE_RUNNING);
1878 wakeup_reason = reason;
1879 qemu_notify_event();
1882 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1885 wakeup_reason_mask |= (1 << reason);
1887 wakeup_reason_mask &= ~(1 << reason);
1891 void qemu_register_wakeup_notifier(Notifier *notifier)
1893 notifier_list_add(&wakeup_notifiers, notifier);
1896 void qemu_system_killed(int signal, pid_t pid)
1898 shutdown_signal = signal;
1902 /* Cannot call qemu_system_shutdown_request directly because
1903 * we are in a signal handler.
1905 shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
1906 qemu_notify_event();
1909 void qemu_system_shutdown_request(ShutdownCause reason)
1911 trace_qemu_system_shutdown_request(reason);
1912 replay_shutdown_request(reason);
1913 shutdown_requested = reason;
1914 qemu_notify_event();
1917 static void qemu_system_powerdown(void)
1919 qapi_event_send_powerdown(&error_abort);
1920 notifier_list_notify(&powerdown_notifiers, NULL);
1923 void qemu_system_powerdown_request(void)
1925 trace_qemu_system_powerdown_request();
1926 powerdown_requested = 1;
1927 qemu_notify_event();
1930 void qemu_register_powerdown_notifier(Notifier *notifier)
1932 notifier_list_add(&powerdown_notifiers, notifier);
1935 void qemu_system_debug_request(void)
1937 debug_requested = 1;
1938 qemu_notify_event();
1941 static bool main_loop_should_exit(void)
1944 ShutdownCause request;
1946 if (qemu_debug_requested()) {
1947 vm_stop(RUN_STATE_DEBUG);
1949 if (qemu_suspend_requested()) {
1950 qemu_system_suspend();
1952 request = qemu_shutdown_requested();
1955 qapi_event_send_shutdown(shutdown_caused_by_guest(request),
1958 vm_stop(RUN_STATE_SHUTDOWN);
1963 request = qemu_reset_requested();
1966 qemu_system_reset(request);
1968 if (!runstate_check(RUN_STATE_RUNNING) &&
1969 !runstate_check(RUN_STATE_INMIGRATE)) {
1970 runstate_set(RUN_STATE_PRELAUNCH);
1973 if (qemu_wakeup_requested()) {
1975 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
1976 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1977 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1979 qapi_event_send_wakeup(&error_abort);
1981 if (qemu_powerdown_requested()) {
1982 qemu_system_powerdown();
1984 if (qemu_vmstop_requested(&r)) {
1990 static void main_loop(void)
1992 #ifdef CONFIG_PROFILER
1996 #ifdef CONFIG_PROFILER
1997 ti = profile_getclock();
1999 main_loop_wait(false);
2000 #ifdef CONFIG_PROFILER
2001 dev_time += profile_getclock() - ti;
2003 } while (!main_loop_should_exit());
2006 static void version(void)
2008 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
2009 QEMU_COPYRIGHT "\n");
2012 static void help(int exitcode)
2015 printf("usage: %s [options] [disk_image]\n\n"
2016 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
2017 error_get_progname());
2019 #define QEMU_OPTIONS_GENERATE_HELP
2020 #include "qemu-options-wrapper.h"
2022 printf("\nDuring emulation, the following keys are useful:\n"
2023 "ctrl-alt-f toggle full screen\n"
2024 "ctrl-alt-n switch to virtual console 'n'\n"
2025 "ctrl-alt toggle mouse and keyboard grab\n"
2027 "When using -nographic, press 'ctrl-a h' to get some help.\n"
2029 QEMU_HELP_BOTTOM "\n");
2034 #define HAS_ARG 0x0001
2036 typedef struct QEMUOption {
2043 static const QEMUOption qemu_options[] = {
2044 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2045 #define QEMU_OPTIONS_GENERATE_OPTIONS
2046 #include "qemu-options-wrapper.h"
2050 typedef struct VGAInterfaceInfo {
2051 const char *opt_name; /* option name */
2052 const char *name; /* human-readable name */
2053 /* Class names indicating that support is available.
2054 * If no class is specified, the interface is always available */
2055 const char *class_names[2];
2058 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2064 .name = "standard VGA",
2065 .class_names = { "VGA", "isa-vga" },
2068 .opt_name = "cirrus",
2069 .name = "Cirrus VGA",
2070 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2073 .opt_name = "vmware",
2074 .name = "VMWare SVGA",
2075 .class_names = { "vmware-svga" },
2078 .opt_name = "virtio",
2079 .name = "Virtio VGA",
2080 .class_names = { "virtio-vga" },
2085 .class_names = { "qxl-vga" },
2089 .name = "TCX framebuffer",
2090 .class_names = { "SUNW,tcx" },
2094 .name = "CG3 framebuffer",
2095 .class_names = { "cgthree" },
2098 .opt_name = "xenfb",
2102 static bool vga_interface_available(VGAInterfaceType t)
2104 VGAInterfaceInfo *ti = &vga_interfaces[t];
2106 assert(t < VGA_TYPE_MAX);
2107 return !ti->class_names[0] ||
2108 object_class_by_name(ti->class_names[0]) ||
2109 object_class_by_name(ti->class_names[1]);
2112 static void select_vgahw(const char *p)
2117 assert(vga_interface_type == VGA_NONE);
2118 for (t = 0; t < VGA_TYPE_MAX; t++) {
2119 VGAInterfaceInfo *ti = &vga_interfaces[t];
2120 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2121 if (!vga_interface_available(t)) {
2122 error_report("%s not available", ti->name);
2125 vga_interface_type = t;
2129 if (t == VGA_TYPE_MAX) {
2131 error_report("unknown vga type: %s", p);
2135 const char *nextopt;
2137 if (strstart(opts, ",retrace=", &nextopt)) {
2139 if (strstart(opts, "dumb", &nextopt))
2140 vga_retrace_method = VGA_RETRACE_DUMB;
2141 else if (strstart(opts, "precise", &nextopt))
2142 vga_retrace_method = VGA_RETRACE_PRECISE;
2143 else goto invalid_vga;
2144 } else goto invalid_vga;
2149 typedef enum DisplayType {
2159 static DisplayType select_display(const char *p)
2162 DisplayType display = DT_DEFAULT;
2164 if (strstart(p, "sdl", &opts)) {
2168 const char *nextopt;
2170 if (strstart(opts, ",frame=", &nextopt)) {
2172 if (strstart(opts, "on", &nextopt)) {
2174 } else if (strstart(opts, "off", &nextopt)) {
2177 goto invalid_sdl_args;
2179 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2181 if (strstart(opts, "on", &nextopt)) {
2183 } else if (strstart(opts, "off", &nextopt)) {
2186 goto invalid_sdl_args;
2188 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2190 if (strstart(opts, "on", &nextopt)) {
2192 } else if (strstart(opts, "off", &nextopt)) {
2195 goto invalid_sdl_args;
2197 } else if (strstart(opts, ",window_close=", &nextopt)) {
2199 if (strstart(opts, "on", &nextopt)) {
2201 } else if (strstart(opts, "off", &nextopt)) {
2204 goto invalid_sdl_args;
2206 } else if (strstart(opts, ",gl=", &nextopt)) {
2208 if (strstart(opts, "on", &nextopt)) {
2210 } else if (strstart(opts, "off", &nextopt)) {
2213 goto invalid_sdl_args;
2217 error_report("invalid SDL option string");
2223 error_report("SDL support is disabled");
2226 } else if (strstart(p, "vnc", &opts)) {
2228 vnc_parse(opts + 1, &error_fatal);
2230 error_report("VNC requires a display argument vnc=<display>");
2233 } else if (strstart(p, "egl-headless", &opts)) {
2234 #ifdef CONFIG_OPENGL_DMABUF
2239 fprintf(stderr, "egl support is disabled\n");
2242 } else if (strstart(p, "curses", &opts)) {
2243 #ifdef CONFIG_CURSES
2244 display = DT_CURSES;
2246 error_report("curses support is disabled");
2249 } else if (strstart(p, "gtk", &opts)) {
2253 const char *nextopt;
2255 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2257 if (strstart(opts, "on", &nextopt)) {
2258 grab_on_hover = true;
2259 } else if (strstart(opts, "off", &nextopt)) {
2260 grab_on_hover = false;
2262 goto invalid_gtk_args;
2264 } else if (strstart(opts, ",gl=", &nextopt)) {
2266 if (strstart(opts, "on", &nextopt)) {
2268 } else if (strstart(opts, "off", &nextopt)) {
2271 goto invalid_gtk_args;
2275 error_report("invalid GTK option string");
2281 error_report("GTK support is disabled");
2284 } else if (strstart(p, "none", &opts)) {
2287 error_report("unknown display type");
2294 static int balloon_parse(const char *arg)
2298 if (strcmp(arg, "none") == 0) {
2302 if (!strncmp(arg, "virtio", 6)) {
2303 if (arg[6] == ',') {
2304 /* have params -> parse them */
2305 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2310 /* create empty opts */
2311 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2314 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2321 char *qemu_find_file(int type, const char *name)
2327 /* Try the name as a straight path first */
2328 if (access(name, R_OK) == 0) {
2329 trace_load_file(name, name);
2330 return g_strdup(name);
2334 case QEMU_FILE_TYPE_BIOS:
2337 case QEMU_FILE_TYPE_KEYMAP:
2338 subdir = "keymaps/";
2344 for (i = 0; i < data_dir_idx; i++) {
2345 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2346 if (access(buf, R_OK) == 0) {
2347 trace_load_file(name, buf);
2355 static inline bool nonempty_str(const char *str)
2360 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2364 const char *name, *file, *str;
2365 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2367 if (fw_cfg == NULL) {
2368 error_report("fw_cfg device not available");
2371 name = qemu_opt_get(opts, "name");
2372 file = qemu_opt_get(opts, "file");
2373 str = qemu_opt_get(opts, "string");
2375 /* we need name and either a file or the content string */
2376 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2377 error_report("invalid argument(s)");
2380 if (nonempty_str(file) && nonempty_str(str)) {
2381 error_report("file and string are mutually exclusive");
2384 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2385 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2388 if (strncmp(name, "opt/", 4) != 0) {
2389 warn_report("externally provided fw_cfg item names "
2390 "should be prefixed with \"opt/\"");
2392 if (nonempty_str(str)) {
2393 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2394 buf = g_memdup(str, size);
2396 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2397 error_report("can't load %s", file);
2401 /* For legacy, keep user files in a specific global order. */
2402 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2403 fw_cfg_add_file(fw_cfg, name, buf, size);
2404 fw_cfg_reset_order_override(fw_cfg);
2408 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2410 return qdev_device_help(opts);
2413 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2418 dev = qdev_device_add(opts, &err);
2420 error_report_err(err);
2423 object_unref(OBJECT(dev));
2427 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2429 Error *local_err = NULL;
2431 if (!qemu_chr_new_from_opts(opts, &local_err)) {
2433 error_report_err(local_err);
2441 #ifdef CONFIG_VIRTFS
2442 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2444 return qemu_fsdev_add(opts);
2448 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2451 const char *chardev;
2455 mode = qemu_opt_get(opts, "mode");
2459 if (strcmp(mode, "readline") == 0) {
2460 flags = MONITOR_USE_READLINE;
2461 } else if (strcmp(mode, "control") == 0) {
2462 flags = MONITOR_USE_CONTROL;
2464 error_report("unknown monitor mode \"%s\"", mode);
2468 if (qemu_opt_get_bool(opts, "pretty", 0))
2469 flags |= MONITOR_USE_PRETTY;
2471 if (qemu_opt_get_bool(opts, "default", 0)) {
2472 error_report("option 'default' does nothing and is deprecated");
2475 chardev = qemu_opt_get(opts, "chardev");
2476 chr = qemu_chr_find(chardev);
2478 error_report("chardev \"%s\" not found", chardev);
2482 monitor_init(chr, flags);
2486 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2488 static int monitor_device_index = 0;
2493 if (strstart(optarg, "chardev:", &p)) {
2494 snprintf(label, sizeof(label), "%s", p);
2496 snprintf(label, sizeof(label), "compat_monitor%d",
2497 monitor_device_index);
2498 opts = qemu_chr_parse_compat(label, optarg);
2500 error_report("parse error: %s", optarg);
2505 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2506 qemu_opt_set(opts, "mode", mode, &error_abort);
2507 qemu_opt_set(opts, "chardev", label, &error_abort);
2508 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2509 monitor_device_index++;
2512 struct device_config {
2514 DEV_USB, /* -usbdevice */
2516 DEV_SERIAL, /* -serial */
2517 DEV_PARALLEL, /* -parallel */
2518 DEV_VIRTCON, /* -virtioconsole */
2519 DEV_DEBUGCON, /* -debugcon */
2520 DEV_GDB, /* -gdb, -s */
2521 DEV_SCLP, /* s390 sclp */
2523 const char *cmdline;
2525 QTAILQ_ENTRY(device_config) next;
2528 static QTAILQ_HEAD(, device_config) device_configs =
2529 QTAILQ_HEAD_INITIALIZER(device_configs);
2531 static void add_device_config(int type, const char *cmdline)
2533 struct device_config *conf;
2535 conf = g_malloc0(sizeof(*conf));
2537 conf->cmdline = cmdline;
2538 loc_save(&conf->loc);
2539 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2542 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2544 struct device_config *conf;
2547 QTAILQ_FOREACH(conf, &device_configs, next) {
2548 if (conf->type != type)
2550 loc_push_restore(&conf->loc);
2551 rc = func(conf->cmdline);
2552 loc_pop(&conf->loc);
2560 static int serial_parse(const char *devname)
2562 static int index = 0;
2565 if (strcmp(devname, "none") == 0)
2567 if (index == MAX_SERIAL_PORTS) {
2568 error_report("too many serial ports");
2571 snprintf(label, sizeof(label), "serial%d", index);
2572 serial_hds[index] = qemu_chr_new(label, devname);
2573 if (!serial_hds[index]) {
2574 error_report("could not connect serial device"
2575 " to character backend '%s'", devname);
2582 static int parallel_parse(const char *devname)
2584 static int index = 0;
2587 if (strcmp(devname, "none") == 0)
2589 if (index == MAX_PARALLEL_PORTS) {
2590 error_report("too many parallel ports");
2593 snprintf(label, sizeof(label), "parallel%d", index);
2594 parallel_hds[index] = qemu_chr_new(label, devname);
2595 if (!parallel_hds[index]) {
2596 error_report("could not connect parallel device"
2597 " to character backend '%s'", devname);
2604 static int virtcon_parse(const char *devname)
2606 QemuOptsList *device = qemu_find_opts("device");
2607 static int index = 0;
2609 QemuOpts *bus_opts, *dev_opts;
2611 if (strcmp(devname, "none") == 0)
2613 if (index == MAX_VIRTIO_CONSOLES) {
2614 error_report("too many virtio consoles");
2618 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2619 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2621 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2622 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2624 snprintf(label, sizeof(label), "virtcon%d", index);
2625 virtcon_hds[index] = qemu_chr_new(label, devname);
2626 if (!virtcon_hds[index]) {
2627 error_report("could not connect virtio console"
2628 " to character backend '%s'", devname);
2631 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2637 static int sclp_parse(const char *devname)
2639 QemuOptsList *device = qemu_find_opts("device");
2640 static int index = 0;
2644 if (strcmp(devname, "none") == 0) {
2647 if (index == MAX_SCLP_CONSOLES) {
2648 error_report("too many sclp consoles");
2652 assert(arch_type == QEMU_ARCH_S390X);
2654 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2655 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2657 snprintf(label, sizeof(label), "sclpcon%d", index);
2658 sclp_hds[index] = qemu_chr_new(label, devname);
2659 if (!sclp_hds[index]) {
2660 error_report("could not connect sclp console"
2661 " to character backend '%s'", devname);
2664 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2670 static int debugcon_parse(const char *devname)
2674 if (!qemu_chr_new("debugcon", devname)) {
2677 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2679 error_report("already have a debugcon device");
2682 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2683 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2687 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2689 const MachineClass *mc1 = a, *mc2 = b;
2692 if (mc1->family == NULL) {
2693 if (mc2->family == NULL) {
2694 /* Compare standalone machine types against each other; they sort
2695 * in increasing order.
2697 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2698 object_class_get_name(OBJECT_CLASS(mc2)));
2701 /* Standalone machine types sort after families. */
2705 if (mc2->family == NULL) {
2706 /* Families sort before standalone machine types. */
2710 /* Families sort between each other alphabetically increasingly. */
2711 res = strcmp(mc1->family, mc2->family);
2716 /* Within the same family, machine types sort in decreasing order. */
2717 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2718 object_class_get_name(OBJECT_CLASS(mc1)));
2721 static MachineClass *machine_parse(const char *name)
2723 MachineClass *mc = NULL;
2724 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2727 mc = find_machine(name);
2730 g_slist_free(machines);
2733 if (name && !is_help_option(name)) {
2734 error_report("unsupported machine type");
2735 error_printf("Use -machine help to list supported machines\n");
2737 printf("Supported machines are:\n");
2738 machines = g_slist_sort(machines, machine_class_cmp);
2739 for (el = machines; el; el = el->next) {
2740 MachineClass *mc = el->data;
2742 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2744 printf("%-20s %s%s\n", mc->name, mc->desc,
2745 mc->is_default ? " (default)" : "");
2749 g_slist_free(machines);
2750 exit(!name || !is_help_option(name));
2753 void qemu_add_exit_notifier(Notifier *notify)
2755 notifier_list_add(&exit_notifiers, notify);
2758 void qemu_remove_exit_notifier(Notifier *notify)
2760 notifier_remove(notify);
2763 static void qemu_run_exit_notifiers(void)
2765 notifier_list_notify(&exit_notifiers, NULL);
2768 static bool machine_init_done;
2770 void qemu_add_machine_init_done_notifier(Notifier *notify)
2772 notifier_list_add(&machine_init_done_notifiers, notify);
2773 if (machine_init_done) {
2774 notify->notify(notify, NULL);
2778 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2780 notifier_remove(notify);
2783 static void qemu_run_machine_init_done_notifiers(void)
2785 notifier_list_notify(&machine_init_done_notifiers, NULL);
2786 machine_init_done = true;
2789 static const QEMUOption *lookup_opt(int argc, char **argv,
2790 const char **poptarg, int *poptind)
2792 const QEMUOption *popt;
2793 int optind = *poptind;
2794 char *r = argv[optind];
2797 loc_set_cmdline(argv, optind, 1);
2799 /* Treat --foo the same as -foo. */
2802 popt = qemu_options;
2805 error_report("invalid option");
2808 if (!strcmp(popt->name, r + 1))
2812 if (popt->flags & HAS_ARG) {
2813 if (optind >= argc) {
2814 error_report("requires an argument");
2817 optarg = argv[optind++];
2818 loc_set_cmdline(argv, optind - 2, 2);
2829 static MachineClass *select_machine(void)
2831 MachineClass *machine_class = find_default_machine();
2836 loc_push_none(&loc);
2838 opts = qemu_get_machine_opts();
2839 qemu_opts_loc_restore(opts);
2841 optarg = qemu_opt_get(opts, "type");
2843 machine_class = machine_parse(optarg);
2846 if (!machine_class) {
2847 error_report("No machine specified, and there is no default");
2848 error_printf("Use -machine help to list supported machines\n");
2853 return machine_class;
2856 static int machine_set_property(void *opaque,
2857 const char *name, const char *value,
2860 Object *obj = OBJECT(opaque);
2861 Error *local_err = NULL;
2864 if (strcmp(name, "type") == 0) {
2868 qom_name = g_strdup(name);
2869 for (p = qom_name; *p; p++) {
2875 object_property_parse(obj, value, qom_name, &local_err);
2879 error_report_err(local_err);
2888 * Initial object creation happens before all other
2889 * QEMU data types are created. The majority of objects
2890 * can be created at this point. The rng-egd object
2891 * cannot be created here, as it depends on the chardev
2894 static bool object_create_initial(const char *type)
2896 if (g_str_equal(type, "rng-egd")) {
2901 * return false for concrete netfilters since
2902 * they depend on netdevs already existing
2904 if (g_str_equal(type, "filter-buffer") ||
2905 g_str_equal(type, "filter-dump") ||
2906 g_str_equal(type, "filter-mirror") ||
2907 g_str_equal(type, "filter-redirector") ||
2908 g_str_equal(type, "colo-compare") ||
2909 g_str_equal(type, "filter-rewriter") ||
2910 g_str_equal(type, "filter-replay")) {
2914 /* Memory allocation by backends needs to be done
2915 * after configure_accelerator() (due to the tcg_enabled()
2916 * checks at memory_region_init_*()).
2918 * Also, allocation of large amounts of memory may delay
2919 * chardev initialization for too long, and trigger timeouts
2920 * on software that waits for a monitor socket to be created
2923 if (g_str_has_prefix(type, "memory-backend-")) {
2932 * The remainder of object creation happens after the
2933 * creation of chardev, fsdev, net clients and device data types.
2935 static bool object_create_delayed(const char *type)
2937 return !object_create_initial(type);
2941 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2945 const char *mem_str;
2946 const char *maxmem_str, *slots_str;
2947 const ram_addr_t default_ram_size = mc->default_ram_size;
2948 QemuOpts *opts = qemu_find_opts_singleton("memory");
2951 loc_push_none(&loc);
2952 qemu_opts_loc_restore(opts);
2955 mem_str = qemu_opt_get(opts, "size");
2958 error_report("missing 'size' option value");
2962 sz = qemu_opt_get_size(opts, "size", ram_size);
2964 /* Fix up legacy suffix-less format */
2965 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2966 uint64_t overflow_check = sz;
2969 if ((sz >> 20) != overflow_check) {
2970 error_report("too large 'size' option value");
2976 /* backward compatibility behaviour for case "-m 0" */
2978 sz = default_ram_size;
2981 sz = QEMU_ALIGN_UP(sz, 8192);
2983 if (ram_size != sz) {
2984 error_report("ram size too large");
2988 /* store value for the future use */
2989 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2990 *maxram_size = ram_size;
2992 maxmem_str = qemu_opt_get(opts, "maxmem");
2993 slots_str = qemu_opt_get(opts, "slots");
2994 if (maxmem_str && slots_str) {
2997 sz = qemu_opt_get_size(opts, "maxmem", 0);
2998 slots = qemu_opt_get_number(opts, "slots", 0);
2999 if (sz < ram_size) {
3000 error_report("invalid value of -m option maxmem: "
3001 "maximum memory size (0x%" PRIx64 ") must be at least "
3002 "the initial memory size (0x" RAM_ADDR_FMT ")",
3005 } else if (sz > ram_size) {
3007 error_report("invalid value of -m option: maxmem was "
3008 "specified, but no hotplug slots were specified");
3012 error_report("invalid value of -m option maxmem: "
3013 "memory slots were specified but maximum memory size "
3014 "(0x%" PRIx64 ") is equal to the initial memory size "
3015 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
3021 } else if ((!maxmem_str && slots_str) ||
3022 (maxmem_str && !slots_str)) {
3023 error_report("invalid -m option value: missing "
3024 "'%s' option", slots_str ? "maxmem" : "slots");
3031 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
3035 g = g_malloc0(sizeof(*g));
3036 g->driver = qemu_opt_get(opts, "driver");
3037 g->property = qemu_opt_get(opts, "property");
3038 g->value = qemu_opt_get(opts, "value");
3039 g->user_provided = true;
3040 g->errp = &error_fatal;
3041 qdev_prop_register_global(g);
3045 static int qemu_read_default_config_file(void)
3049 ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
3050 if (ret < 0 && ret != -ENOENT) {
3057 static void user_register_global_props(void)
3059 qemu_opts_foreach(qemu_find_opts("global"),
3060 global_init_func, NULL, NULL);
3064 * Note: we should see that these properties are actually having a
3065 * priority: accel < machine < user. This means e.g. when user
3066 * specifies something in "-global", it'll always be used with highest
3067 * priority than either machine/accelerator compat properties.
3069 static void register_global_properties(MachineState *ms)
3071 accel_register_compat_props(ms->accelerator);
3072 machine_register_compat_props(ms);
3073 user_register_global_props();
3076 int main(int argc, char **argv, char **envp)
3079 int snapshot, linux_boot;
3080 const char *initrd_filename;
3081 const char *kernel_filename, *kernel_cmdline;
3082 const char *boot_order = NULL;
3083 const char *boot_once = NULL;
3085 int cyls, heads, secs, translation;
3086 QemuOpts *opts, *machine_opts;
3087 QemuOpts *hda_opts = NULL, *icount_opts = NULL, *accel_opts = NULL;
3088 QemuOptsList *olist;
3091 const char *loadvm = NULL;
3092 MachineClass *machine_class;
3093 const char *cpu_model;
3094 const char *vga_model = NULL;
3095 const char *qtest_chrdev = NULL;
3096 const char *qtest_log = NULL;
3097 const char *pid_file = NULL;
3098 const char *incoming = NULL;
3099 bool defconfig = true;
3100 bool userconfig = true;
3101 bool nographic = false;
3102 DisplayType display_type = DT_DEFAULT;
3103 int display_remote = 0;
3104 const char *log_mask = NULL;
3105 const char *log_file = NULL;
3106 char *trace_file = NULL;
3107 ram_addr_t maxram_size;
3108 uint64_t ram_slots = 0;
3109 FILE *vmstate_dump_file = NULL;
3110 Error *main_loop_err = NULL;
3112 bool list_data_dirs = false;
3113 typedef struct BlockdevOptions_queue {
3114 BlockdevOptions *bdo;
3116 QSIMPLEQ_ENTRY(BlockdevOptions_queue) entry;
3117 } BlockdevOptions_queue;
3118 QSIMPLEQ_HEAD(, BlockdevOptions_queue) bdo_queue
3119 = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
3121 module_call_init(MODULE_INIT_TRACE);
3123 qemu_init_cpu_list();
3124 qemu_init_cpu_loop();
3125 qemu_mutex_lock_iothread();
3127 atexit(qemu_run_exit_notifiers);
3128 error_set_progname(argv[0]);
3129 qemu_init_exec_dir(argv[0]);
3131 module_call_init(MODULE_INIT_QOM);
3132 monitor_init_qmp_commands();
3134 qemu_add_opts(&qemu_drive_opts);
3135 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3136 qemu_add_drive_opts(&qemu_common_drive_opts);
3137 qemu_add_drive_opts(&qemu_drive_opts);
3138 qemu_add_drive_opts(&bdrv_runtime_opts);
3139 qemu_add_opts(&qemu_chardev_opts);
3140 qemu_add_opts(&qemu_device_opts);
3141 qemu_add_opts(&qemu_netdev_opts);
3142 qemu_add_opts(&qemu_net_opts);
3143 qemu_add_opts(&qemu_rtc_opts);
3144 qemu_add_opts(&qemu_global_opts);
3145 qemu_add_opts(&qemu_mon_opts);
3146 qemu_add_opts(&qemu_trace_opts);
3147 qemu_add_opts(&qemu_option_rom_opts);
3148 qemu_add_opts(&qemu_machine_opts);
3149 qemu_add_opts(&qemu_accel_opts);
3150 qemu_add_opts(&qemu_mem_opts);
3151 qemu_add_opts(&qemu_smp_opts);
3152 qemu_add_opts(&qemu_boot_opts);
3153 qemu_add_opts(&qemu_sandbox_opts);
3154 qemu_add_opts(&qemu_add_fd_opts);
3155 qemu_add_opts(&qemu_object_opts);
3156 qemu_add_opts(&qemu_tpmdev_opts);
3157 qemu_add_opts(&qemu_realtime_opts);
3158 qemu_add_opts(&qemu_msg_opts);
3159 qemu_add_opts(&qemu_name_opts);
3160 qemu_add_opts(&qemu_numa_opts);
3161 qemu_add_opts(&qemu_icount_opts);
3162 qemu_add_opts(&qemu_semihosting_config_opts);
3163 qemu_add_opts(&qemu_fw_cfg_opts);
3164 module_call_init(MODULE_INIT_OPTS);
3168 if (qcrypto_init(&err) < 0) {
3169 error_reportf_err(err, "cannot initialize crypto: ");
3172 rtc_clock = QEMU_CLOCK_HOST;
3174 QLIST_INIT (&vm_change_state_head);
3175 os_setup_early_signal_handling();
3179 cyls = heads = secs = 0;
3180 translation = BIOS_ATA_TRANSLATION_AUTO;
3184 bdrv_init_with_whitelist();
3188 /* first pass of option parsing */
3190 while (optind < argc) {
3191 if (argv[optind][0] != '-') {
3195 const QEMUOption *popt;
3197 popt = lookup_opt(argc, argv, &optarg, &optind);
3198 switch (popt->index) {
3199 case QEMU_OPTION_nodefconfig:
3202 case QEMU_OPTION_nouserconfig:
3209 if (defconfig && userconfig) {
3210 if (qemu_read_default_config_file() < 0) {
3215 /* second pass of option parsing */
3220 if (argv[optind][0] != '-') {
3221 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3223 const QEMUOption *popt;
3225 popt = lookup_opt(argc, argv, &optarg, &optind);
3226 if (!(popt->arch_mask & arch_type)) {
3227 error_report("Option not supported for this target");
3230 switch(popt->index) {
3231 case QEMU_OPTION_no_kvm_irqchip: {
3232 olist = qemu_find_opts("machine");
3233 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3236 case QEMU_OPTION_cpu:
3237 /* hw initialization will check this */
3240 case QEMU_OPTION_hda:
3244 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3246 snprintf(buf, sizeof(buf),
3247 "%s,cyls=%d,heads=%d,secs=%d%s",
3248 HD_OPTS , cyls, heads, secs,
3249 translation == BIOS_ATA_TRANSLATION_LBA ?
3251 translation == BIOS_ATA_TRANSLATION_NONE ?
3252 ",trans=none" : "");
3253 drive_add(IF_DEFAULT, 0, optarg, buf);
3256 case QEMU_OPTION_hdb:
3257 case QEMU_OPTION_hdc:
3258 case QEMU_OPTION_hdd:
3259 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3262 case QEMU_OPTION_blockdev:
3265 BlockdevOptions_queue *bdo;
3267 v = qobject_input_visitor_new_str(optarg, "driver", &err);
3269 error_report_err(err);
3273 bdo = g_new(BlockdevOptions_queue, 1);
3274 visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
3277 loc_save(&bdo->loc);
3278 QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
3281 case QEMU_OPTION_drive:
3282 if (drive_def(optarg) == NULL) {
3286 case QEMU_OPTION_set:
3287 if (qemu_set_option(optarg) != 0)
3290 case QEMU_OPTION_global:
3291 if (qemu_global_option(optarg) != 0)
3294 case QEMU_OPTION_mtdblock:
3295 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3297 case QEMU_OPTION_sd:
3298 drive_add(IF_SD, -1, optarg, SD_OPTS);
3300 case QEMU_OPTION_pflash:
3301 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3303 case QEMU_OPTION_snapshot:
3306 case QEMU_OPTION_hdachs:
3310 cyls = strtol(p, (char **)&p, 0);
3311 if (cyls < 1 || cyls > 16383)
3316 heads = strtol(p, (char **)&p, 0);
3317 if (heads < 1 || heads > 16)
3322 secs = strtol(p, (char **)&p, 0);
3323 if (secs < 1 || secs > 63)
3327 if (!strcmp(p, "large")) {
3328 translation = BIOS_ATA_TRANSLATION_LARGE;
3329 } else if (!strcmp(p, "rechs")) {
3330 translation = BIOS_ATA_TRANSLATION_RECHS;
3331 } else if (!strcmp(p, "none")) {
3332 translation = BIOS_ATA_TRANSLATION_NONE;
3333 } else if (!strcmp(p, "lba")) {
3334 translation = BIOS_ATA_TRANSLATION_LBA;
3335 } else if (!strcmp(p, "auto")) {
3336 translation = BIOS_ATA_TRANSLATION_AUTO;
3340 } else if (*p != '\0') {
3342 error_report("invalid physical CHS format");
3345 if (hda_opts != NULL) {
3346 qemu_opt_set_number(hda_opts, "cyls", cyls,
3348 qemu_opt_set_number(hda_opts, "heads", heads,
3350 qemu_opt_set_number(hda_opts, "secs", secs,
3352 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3353 qemu_opt_set(hda_opts, "trans", "large",
3355 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3356 qemu_opt_set(hda_opts, "trans", "rechs",
3358 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3359 qemu_opt_set(hda_opts, "trans", "lba",
3361 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3362 qemu_opt_set(hda_opts, "trans", "none",
3367 error_report("'-hdachs' is deprecated, please use '-device"
3368 " ide-hd,cyls=c,heads=h,secs=s,...' instead");
3370 case QEMU_OPTION_numa:
3371 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3377 case QEMU_OPTION_display:
3378 display_type = select_display(optarg);
3380 case QEMU_OPTION_nographic:
3381 olist = qemu_find_opts("machine");
3382 qemu_opts_parse_noisily(olist, "graphics=off", false);
3384 display_type = DT_NONE;
3386 case QEMU_OPTION_curses:
3387 #ifdef CONFIG_CURSES
3388 display_type = DT_CURSES;
3390 error_report("curses support is disabled");
3394 case QEMU_OPTION_portrait:
3395 graphic_rotate = 90;
3397 case QEMU_OPTION_rotate:
3398 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3399 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3400 graphic_rotate != 180 && graphic_rotate != 270) {
3401 error_report("only 90, 180, 270 deg rotation is available");
3405 case QEMU_OPTION_kernel:
3406 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3409 case QEMU_OPTION_initrd:
3410 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3413 case QEMU_OPTION_append:
3414 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3417 case QEMU_OPTION_dtb:
3418 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3421 case QEMU_OPTION_cdrom:
3422 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3424 case QEMU_OPTION_boot:
3425 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3431 case QEMU_OPTION_fda:
3432 case QEMU_OPTION_fdb:
3433 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3436 case QEMU_OPTION_no_fd_bootchk:
3439 case QEMU_OPTION_netdev:
3441 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3445 case QEMU_OPTION_net:
3447 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3451 #ifdef CONFIG_LIBISCSI
3452 case QEMU_OPTION_iscsi:
3453 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3461 case QEMU_OPTION_tftp:
3462 error_report("The -tftp option is deprecated. "
3463 "Please use '-netdev user,tftp=...' instead.");
3464 legacy_tftp_prefix = optarg;
3466 case QEMU_OPTION_bootp:
3467 error_report("The -bootp option is deprecated. "
3468 "Please use '-netdev user,bootfile=...' instead.");
3469 legacy_bootp_filename = optarg;
3471 case QEMU_OPTION_redir:
3472 error_report("The -redir option is deprecated. "
3473 "Please use '-netdev user,hostfwd=...' instead.");
3474 if (net_slirp_redir(optarg) < 0)
3478 case QEMU_OPTION_bt:
3479 add_device_config(DEV_BT, optarg);
3481 case QEMU_OPTION_audio_help:
3485 case QEMU_OPTION_soundhw:
3486 select_soundhw (optarg);
3491 case QEMU_OPTION_version:
3496 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3503 case QEMU_OPTION_tpmdev:
3504 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3509 case QEMU_OPTION_mempath:
3512 case QEMU_OPTION_mem_prealloc:
3521 case QEMU_OPTION_DFILTER:
3522 qemu_set_dfilter_ranges(optarg, &error_fatal);
3525 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3527 case QEMU_OPTION_gdb:
3528 add_device_config(DEV_GDB, optarg);
3531 if (is_help_option(optarg)) {
3532 list_data_dirs = true;
3533 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3534 data_dir[data_dir_idx++] = optarg;
3537 case QEMU_OPTION_bios:
3538 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3541 case QEMU_OPTION_singlestep:
3548 keyboard_layout = optarg;
3550 case QEMU_OPTION_localtime:
3553 case QEMU_OPTION_vga:
3562 w = strtol(p, (char **)&p, 10);
3565 error_report("invalid resolution or depth");
3571 h = strtol(p, (char **)&p, 10);
3576 depth = strtol(p, (char **)&p, 10);
3577 if (depth != 8 && depth != 15 && depth != 16 &&
3578 depth != 24 && depth != 32)
3580 } else if (*p == '\0') {
3581 depth = graphic_depth;
3588 graphic_depth = depth;
3591 case QEMU_OPTION_echr:
3594 term_escape_char = strtol(optarg, &r, 0);
3596 printf("Bad argument to echr\n");
3599 case QEMU_OPTION_monitor:
3600 default_monitor = 0;
3601 if (strncmp(optarg, "none", 4)) {
3602 monitor_parse(optarg, "readline", false);
3605 case QEMU_OPTION_qmp:
3606 monitor_parse(optarg, "control", false);
3607 default_monitor = 0;
3609 case QEMU_OPTION_qmp_pretty:
3610 monitor_parse(optarg, "control", true);
3611 default_monitor = 0;
3613 case QEMU_OPTION_mon:
3614 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3619 default_monitor = 0;
3621 case QEMU_OPTION_chardev:
3622 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3628 case QEMU_OPTION_fsdev:
3629 olist = qemu_find_opts("fsdev");
3631 error_report("fsdev support is disabled");
3634 opts = qemu_opts_parse_noisily(olist, optarg, true);
3639 case QEMU_OPTION_virtfs: {
3642 const char *writeout, *sock_fd, *socket, *path, *security_model;
3644 olist = qemu_find_opts("virtfs");
3646 error_report("virtfs support is disabled");
3649 opts = qemu_opts_parse_noisily(olist, optarg, true);
3654 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3655 qemu_opt_get(opts, "mount_tag") == NULL) {
3656 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3659 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3660 qemu_opts_id(opts) ?:
3661 qemu_opt_get(opts, "mount_tag"),
3664 error_report("duplicate or invalid fsdev id: %s",
3665 qemu_opt_get(opts, "mount_tag"));
3669 writeout = qemu_opt_get(opts, "writeout");
3671 #ifdef CONFIG_SYNC_FILE_RANGE
3672 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3674 error_report("writeout=immediate not supported "
3675 "on this platform");
3679 qemu_opt_set(fsdev, "fsdriver",
3680 qemu_opt_get(opts, "fsdriver"), &error_abort);
3681 path = qemu_opt_get(opts, "path");
3683 qemu_opt_set(fsdev, "path", path, &error_abort);
3685 security_model = qemu_opt_get(opts, "security_model");
3686 if (security_model) {
3687 qemu_opt_set(fsdev, "security_model", security_model,
3690 socket = qemu_opt_get(opts, "socket");
3692 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3694 sock_fd = qemu_opt_get(opts, "sock_fd");
3696 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3699 qemu_opt_set_bool(fsdev, "readonly",
3700 qemu_opt_get_bool(opts, "readonly", 0),
3702 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3704 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3705 qemu_opt_set(device, "fsdev",
3706 qemu_opts_id(fsdev), &error_abort);
3707 qemu_opt_set(device, "mount_tag",
3708 qemu_opt_get(opts, "mount_tag"), &error_abort);
3711 case QEMU_OPTION_virtfs_synth: {
3715 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3718 error_report("duplicate option: %s", "virtfs_synth");
3721 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3723 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3725 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3726 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3727 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3730 case QEMU_OPTION_serial:
3731 add_device_config(DEV_SERIAL, optarg);
3733 if (strncmp(optarg, "mon:", 4) == 0) {
3734 default_monitor = 0;
3737 case QEMU_OPTION_watchdog:
3739 error_report("only one watchdog option may be given");
3744 case QEMU_OPTION_watchdog_action:
3745 if (select_watchdog_action(optarg) == -1) {
3746 error_report("unknown -watchdog-action parameter");
3750 case QEMU_OPTION_virtiocon:
3751 add_device_config(DEV_VIRTCON, optarg);
3752 default_virtcon = 0;
3753 if (strncmp(optarg, "mon:", 4) == 0) {
3754 default_monitor = 0;
3757 case QEMU_OPTION_parallel:
3758 add_device_config(DEV_PARALLEL, optarg);
3759 default_parallel = 0;
3760 if (strncmp(optarg, "mon:", 4) == 0) {
3761 default_monitor = 0;
3764 case QEMU_OPTION_debugcon:
3765 add_device_config(DEV_DEBUGCON, optarg);
3767 case QEMU_OPTION_loadvm:
3770 case QEMU_OPTION_full_screen:
3773 case QEMU_OPTION_no_frame:
3776 case QEMU_OPTION_alt_grab:
3779 case QEMU_OPTION_ctrl_grab:
3782 case QEMU_OPTION_no_quit:
3785 case QEMU_OPTION_sdl:
3787 display_type = DT_SDL;
3790 error_report("SDL support is disabled");
3793 case QEMU_OPTION_pidfile:
3796 case QEMU_OPTION_win2k_hack:
3797 win2k_install_hack = 1;
3799 case QEMU_OPTION_rtc_td_hack: {
3800 static GlobalProperty slew_lost_ticks = {
3801 .driver = "mc146818rtc",
3802 .property = "lost_tick_policy",
3806 qdev_prop_register_global(&slew_lost_ticks);
3809 case QEMU_OPTION_acpitable:
3810 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3815 acpi_table_add(opts, &error_fatal);
3817 case QEMU_OPTION_smbios:
3818 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3823 smbios_entry_add(opts, &error_fatal);
3825 case QEMU_OPTION_fwcfg:
3826 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3832 case QEMU_OPTION_enable_kvm:
3833 olist = qemu_find_opts("machine");
3834 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3836 case QEMU_OPTION_enable_hax:
3837 olist = qemu_find_opts("machine");
3838 qemu_opts_parse_noisily(olist, "accel=hax", false);
3841 case QEMU_OPTION_machine:
3842 olist = qemu_find_opts("machine");
3843 opts = qemu_opts_parse_noisily(olist, optarg, true);
3848 case QEMU_OPTION_no_kvm:
3849 olist = qemu_find_opts("machine");
3850 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3852 case QEMU_OPTION_no_kvm_pit: {
3853 warn_report("ignoring deprecated option");
3856 case QEMU_OPTION_no_kvm_pit_reinjection: {
3857 static GlobalProperty kvm_pit_lost_tick_policy = {
3858 .driver = "kvm-pit",
3859 .property = "lost_tick_policy",
3863 warn_report("deprecated, replaced by "
3864 "-global kvm-pit.lost_tick_policy=discard");
3865 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3868 case QEMU_OPTION_accel:
3869 accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
3871 optarg = qemu_opt_get(accel_opts, "accel");
3872 if (!optarg || is_help_option(optarg)) {
3873 error_printf("Possible accelerators: kvm, xen, hax, tcg\n");
3876 opts = qemu_opts_create(qemu_find_opts("machine"), NULL,
3877 false, &error_abort);
3878 qemu_opt_set(opts, "accel", optarg, &error_abort);
3880 case QEMU_OPTION_usb:
3881 olist = qemu_find_opts("machine");
3882 qemu_opts_parse_noisily(olist, "usb=on", false);
3884 case QEMU_OPTION_usbdevice:
3885 error_report("'-usbdevice' is deprecated, please use "
3886 "'-device usb-...' instead");
3887 olist = qemu_find_opts("machine");
3888 qemu_opts_parse_noisily(olist, "usb=on", false);
3889 add_device_config(DEV_USB, optarg);
3891 case QEMU_OPTION_device:
3892 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3897 case QEMU_OPTION_smp:
3898 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3903 case QEMU_OPTION_vnc:
3904 vnc_parse(optarg, &error_fatal);
3906 case QEMU_OPTION_no_acpi:
3909 case QEMU_OPTION_no_hpet:
3912 case QEMU_OPTION_balloon:
3913 if (balloon_parse(optarg) < 0) {
3914 error_report("unknown -balloon argument %s", optarg);
3918 case QEMU_OPTION_no_reboot:
3921 case QEMU_OPTION_no_shutdown:
3924 case QEMU_OPTION_show_cursor:
3927 case QEMU_OPTION_uuid:
3928 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3929 error_report("failed to parse UUID string: wrong format");
3932 qemu_uuid_set = true;
3934 case QEMU_OPTION_option_rom:
3935 if (nb_option_roms >= MAX_OPTION_ROMS) {
3936 error_report("too many option ROMs");
3939 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3944 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3945 option_rom[nb_option_roms].bootindex =
3946 qemu_opt_get_number(opts, "bootindex", -1);
3947 if (!option_rom[nb_option_roms].name) {
3948 error_report("Option ROM file is not specified");
3953 case QEMU_OPTION_semihosting:
3954 semihosting.enabled = true;
3955 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3957 case QEMU_OPTION_semihosting_config:
3958 semihosting.enabled = true;
3959 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3962 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3964 const char *target = qemu_opt_get(opts, "target");
3965 if (target != NULL) {
3966 if (strcmp("native", target) == 0) {
3967 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3968 } else if (strcmp("gdb", target) == 0) {
3969 semihosting.target = SEMIHOSTING_TARGET_GDB;
3970 } else if (strcmp("auto", target) == 0) {
3971 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3973 error_report("unsupported semihosting-config %s",
3978 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3980 /* Set semihosting argument count and vector */
3981 qemu_opt_foreach(opts, add_semihosting_arg,
3982 &semihosting, NULL);
3984 error_report("unsupported semihosting-config %s", optarg);
3988 case QEMU_OPTION_tdf:
3989 warn_report("ignoring deprecated option");
3991 case QEMU_OPTION_name:
3992 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3998 case QEMU_OPTION_prom_env:
3999 if (nb_prom_envs >= MAX_PROM_ENVS) {
4000 error_report("too many prom variables");
4003 prom_envs[nb_prom_envs] = optarg;
4006 case QEMU_OPTION_old_param:
4009 case QEMU_OPTION_clock:
4010 /* Clock options no longer exist. Keep this option for
4011 * backward compatibility.
4014 case QEMU_OPTION_startdate:
4015 configure_rtc_date_offset(optarg, 1);
4017 case QEMU_OPTION_rtc:
4018 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
4023 configure_rtc(opts);
4025 case QEMU_OPTION_tb_size:
4027 error_report("TCG is disabled");
4030 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
4031 error_report("Invalid argument to -tb-size");
4035 case QEMU_OPTION_icount:
4036 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
4042 case QEMU_OPTION_incoming:
4044 runstate_set(RUN_STATE_INMIGRATE);
4048 case QEMU_OPTION_only_migratable:
4050 * TODO: we can remove this option one day, and we
4053 * "-global migration.only-migratable=true"
4055 qemu_global_option("migration.only-migratable=true");
4057 case QEMU_OPTION_nodefaults:
4060 case QEMU_OPTION_xen_domid:
4061 if (!(xen_available())) {
4062 error_report("Option not supported for this target");
4065 xen_domid = atoi(optarg);
4067 case QEMU_OPTION_xen_create:
4068 if (!(xen_available())) {
4069 error_report("Option not supported for this target");
4072 xen_mode = XEN_CREATE;
4074 case QEMU_OPTION_xen_attach:
4075 if (!(xen_available())) {
4076 error_report("Option not supported for this target");
4079 xen_mode = XEN_ATTACH;
4081 case QEMU_OPTION_xen_domid_restrict:
4082 if (!(xen_available())) {
4083 error_report("Option not supported for this target");
4086 xen_domid_restrict = true;
4088 case QEMU_OPTION_trace:
4090 trace_file = trace_opt_parse(optarg);
4092 case QEMU_OPTION_readconfig:
4094 int ret = qemu_read_config_file(optarg);
4096 error_report("read config %s: %s", optarg,
4102 case QEMU_OPTION_spice:
4103 olist = qemu_find_opts("spice");
4105 error_report("spice support is disabled");
4108 opts = qemu_opts_parse_noisily(olist, optarg, false);
4114 case QEMU_OPTION_writeconfig:
4117 if (strcmp(optarg, "-") == 0) {
4120 fp = fopen(optarg, "w");
4122 error_report("open %s: %s", optarg,
4127 qemu_config_write(fp);
4133 case QEMU_OPTION_qtest:
4134 qtest_chrdev = optarg;
4136 case QEMU_OPTION_qtest_log:
4139 case QEMU_OPTION_sandbox:
4140 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
4146 case QEMU_OPTION_add_fd:
4148 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4154 error_report("File descriptor passing is disabled on this "
4159 case QEMU_OPTION_object:
4160 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4166 case QEMU_OPTION_realtime:
4167 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4172 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4174 case QEMU_OPTION_msg:
4175 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4180 configure_msg(opts);
4182 case QEMU_OPTION_dump_vmstate:
4183 if (vmstate_dump_file) {
4184 error_report("only one '-dump-vmstate' "
4185 "option may be given");
4188 vmstate_dump_file = fopen(optarg, "w");
4189 if (vmstate_dump_file == NULL) {
4190 error_report("open %s: %s", optarg, strerror(errno));
4195 os_parse_cmd_args(popt->index, optarg);
4200 * Clear error location left behind by the loop.
4201 * Best done right after the loop. Do not insert code here!
4205 replay_configure(icount_opts);
4207 machine_class = select_machine();
4209 set_memory_options(&ram_slots, &maxram_size, machine_class);
4212 rcu_disable_atfork();
4214 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4215 error_report("could not acquire pid file: %s", strerror(errno));
4219 if (qemu_init_main_loop(&main_loop_err)) {
4220 error_report_err(main_loop_err);
4224 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4225 parse_sandbox, NULL, NULL)) {
4229 if (qemu_opts_foreach(qemu_find_opts("name"),
4230 parse_name, NULL, NULL)) {
4235 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4236 parse_add_fd, NULL, NULL)) {
4240 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4241 cleanup_add_fd, NULL, NULL)) {
4246 current_machine = MACHINE(object_new(object_class_get_name(
4247 OBJECT_CLASS(machine_class))));
4248 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4251 object_property_add_child(object_get_root(), "machine",
4252 OBJECT(current_machine), &error_abort);
4254 if (machine_class->minimum_page_bits) {
4255 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4256 /* This would be a board error: specifying a minimum smaller than
4257 * a target's compile-time fixed setting.
4259 g_assert_not_reached();
4263 cpu_exec_init_all();
4265 if (machine_class->hw_version) {
4266 qemu_set_hw_version(machine_class->hw_version);
4269 if (cpu_model && is_help_option(cpu_model)) {
4270 list_cpus(stdout, &fprintf, cpu_model);
4274 if (!trace_init_backends()) {
4277 trace_init_file(trace_file);
4279 /* Open the logfile at this point and set the log mask if necessary.
4282 qemu_set_log_filename(log_file, &error_fatal);
4287 mask = qemu_str_to_log_mask(log_mask);
4289 qemu_print_log_usage(stdout);
4297 /* If no data_dir is specified then try to find it relative to the
4299 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4300 data_dir[data_dir_idx] = os_find_datadir();
4301 if (data_dir[data_dir_idx] != NULL) {
4305 /* If all else fails use the install path specified when building. */
4306 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4307 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4310 /* -L help lists the data directories and exits. */
4311 if (list_data_dirs) {
4312 for (i = 0; i < data_dir_idx; i++) {
4313 printf("%s\n", data_dir[i]);
4318 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4320 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4321 if (max_cpus > machine_class->max_cpus) {
4322 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4323 "supported by machine '%s' (%d)", max_cpus,
4324 machine_class->name, machine_class->max_cpus);
4329 * Get the default machine options from the machine if it is not already
4330 * specified either by the configuration file or by the command line.
4332 if (machine_class->default_machine_opts) {
4333 qemu_opts_set_defaults(qemu_find_opts("machine"),
4334 machine_class->default_machine_opts, 0);
4337 qemu_opts_foreach(qemu_find_opts("device"),
4338 default_driver_check, NULL, NULL);
4339 qemu_opts_foreach(qemu_find_opts("global"),
4340 default_driver_check, NULL, NULL);
4342 if (!vga_model && !default_vga) {
4343 vga_interface_type = VGA_DEVICE;
4345 if (!has_defaults || machine_class->no_serial) {
4348 if (!has_defaults || machine_class->no_parallel) {
4349 default_parallel = 0;
4351 if (!has_defaults || !machine_class->use_virtcon) {
4352 default_virtcon = 0;
4354 if (!has_defaults || !machine_class->use_sclp) {
4357 if (!has_defaults || machine_class->no_floppy) {
4360 if (!has_defaults || machine_class->no_cdrom) {
4363 if (!has_defaults || machine_class->no_sdcard) {
4366 if (!has_defaults) {
4367 default_monitor = 0;
4372 if (is_daemonized()) {
4373 /* According to documentation and historically, -nographic redirects
4374 * serial port, parallel port and monitor to stdio, which does not work
4375 * with -daemonize. We can redirect these to null instead, but since
4376 * -nographic is legacy, let's just error out.
4377 * We disallow -nographic only if all other ports are not redirected
4378 * explicitly, to not break existing legacy setups which uses
4379 * -nographic _and_ redirects all ports explicitly - this is valid
4380 * usage, -nographic is just a no-op in this case.
4383 && (default_parallel || default_serial
4384 || default_monitor || default_virtcon)) {
4385 error_report("-nographic cannot be used with -daemonize");
4388 #ifdef CONFIG_CURSES
4389 if (display_type == DT_CURSES) {
4390 error_report("curses display cannot be used with -daemonize");
4397 if (default_parallel)
4398 add_device_config(DEV_PARALLEL, "null");
4399 if (default_serial && default_monitor) {
4400 add_device_config(DEV_SERIAL, "mon:stdio");
4401 } else if (default_virtcon && default_monitor) {
4402 add_device_config(DEV_VIRTCON, "mon:stdio");
4403 } else if (default_sclp && default_monitor) {
4404 add_device_config(DEV_SCLP, "mon:stdio");
4407 add_device_config(DEV_SERIAL, "stdio");
4408 if (default_virtcon)
4409 add_device_config(DEV_VIRTCON, "stdio");
4411 add_device_config(DEV_SCLP, "stdio");
4413 if (default_monitor)
4414 monitor_parse("stdio", "readline", false);
4418 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4419 if (default_parallel)
4420 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4421 if (default_monitor)
4422 monitor_parse("vc:80Cx24C", "readline", false);
4423 if (default_virtcon)
4424 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4426 add_device_config(DEV_SCLP, "vc:80Cx24C");
4430 #if defined(CONFIG_VNC)
4431 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4435 if (display_type == DT_DEFAULT && !display_remote) {
4436 #if defined(CONFIG_GTK)
4437 display_type = DT_GTK;
4438 #elif defined(CONFIG_SDL)
4439 display_type = DT_SDL;
4440 #elif defined(CONFIG_COCOA)
4441 display_type = DT_COCOA;
4442 #elif defined(CONFIG_VNC)
4443 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4445 display_type = DT_NONE;
4449 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4450 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4451 "for SDL, ignoring option");
4453 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4454 error_report("-no-quit is only valid for GTK and SDL, "
4458 if (display_type == DT_GTK) {
4459 early_gtk_display_init(request_opengl);
4462 if (display_type == DT_SDL) {
4463 sdl_display_early_init(request_opengl);
4466 qemu_console_early_init();
4468 if (request_opengl == 1 && display_opengl == 0) {
4469 #if defined(CONFIG_OPENGL)
4470 error_report("OpenGL is not supported by the display");
4472 error_report("OpenGL support is disabled");
4480 if (qemu_opts_foreach(qemu_find_opts("object"),
4481 user_creatable_add_opts_foreach,
4482 object_create_initial, NULL)) {
4486 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4487 chardev_init_func, NULL, NULL)) {
4491 #ifdef CONFIG_VIRTFS
4492 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4493 fsdev_init_func, NULL, NULL)) {
4498 if (qemu_opts_foreach(qemu_find_opts("device"),
4499 device_help_func, NULL, NULL)) {
4503 machine_opts = qemu_get_machine_opts();
4504 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4506 object_unref(OBJECT(current_machine));
4510 configure_accelerator(current_machine);
4513 * Register all the global properties, including accel properties,
4514 * machine properties, and user-specified ones.
4516 register_global_properties(current_machine);
4519 * Migration object can only be created after global properties
4520 * are applied correctly.
4522 migration_object_init();
4525 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4528 machine_opts = qemu_get_machine_opts();
4529 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4530 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4531 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4532 bios_name = qemu_opt_get(machine_opts, "firmware");
4534 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4536 boot_order = qemu_opt_get(opts, "order");
4538 validate_bootdevices(boot_order, &error_fatal);
4541 boot_once = qemu_opt_get(opts, "once");
4543 validate_bootdevices(boot_once, &error_fatal);
4546 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4547 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4551 boot_order = machine_class->default_boot_order;
4554 if (!kernel_cmdline) {
4555 kernel_cmdline = "";
4556 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4559 linux_boot = (kernel_filename != NULL);
4561 if (!linux_boot && *kernel_cmdline != '\0') {
4562 error_report("-append only allowed with -kernel option");
4566 if (!linux_boot && initrd_filename != NULL) {
4567 error_report("-initrd only allowed with -kernel option");
4571 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4572 /* fall back to the -kernel/-append */
4573 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4576 os_set_line_buffering();
4578 /* spice needs the timers to be initialized by this point */
4583 if (!tcg_enabled()) {
4584 error_report("-icount is not allowed with hardware virtualization");
4587 configure_icount(icount_opts, &error_abort);
4588 qemu_opts_del(icount_opts);
4591 if (tcg_enabled()) {
4592 qemu_tcg_configure(accel_opts, &error_fatal);
4596 QemuOptsList *net = qemu_find_opts("net");
4597 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4599 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4605 if (net_init_clients() < 0) {
4609 if (qemu_opts_foreach(qemu_find_opts("object"),
4610 user_creatable_add_opts_foreach,
4611 object_create_delayed, NULL)) {
4616 if (tpm_init() < 0) {
4621 /* init the bluetooth world */
4622 if (foreach_device_config(DEV_BT, bt_parse))
4625 if (!xen_enabled()) {
4626 /* On 32-bit hosts, QEMU is limited by virtual address space */
4627 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4628 error_report("at most 2047 MB RAM can be simulated");
4636 /* If the currently selected machine wishes to override the units-per-bus
4637 * property of its default HBA interface type, do so now. */
4638 if (machine_class->units_per_default_bus) {
4639 override_max_devs(machine_class->block_default_type,
4640 machine_class->units_per_default_bus);
4643 /* open the virtual block devices */
4644 while (!QSIMPLEQ_EMPTY(&bdo_queue)) {
4645 BlockdevOptions_queue *bdo = QSIMPLEQ_FIRST(&bdo_queue);
4647 QSIMPLEQ_REMOVE_HEAD(&bdo_queue, entry);
4648 loc_push_restore(&bdo->loc);
4649 qmp_blockdev_add(bdo->bdo, &error_fatal);
4651 qapi_free_BlockdevOptions(bdo->bdo);
4654 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4655 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4658 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4659 &machine_class->block_default_type, NULL)) {
4663 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4665 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4666 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4668 parse_numa_opts(current_machine);
4670 if (qemu_opts_foreach(qemu_find_opts("mon"),
4671 mon_init_func, NULL, NULL)) {
4675 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4677 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4679 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4681 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4684 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4687 /* If no default VGA is requested, the default is "none". */
4689 if (machine_class->default_display) {
4690 vga_model = machine_class->default_display;
4691 } else if (vga_interface_available(VGA_CIRRUS)) {
4692 vga_model = "cirrus";
4693 } else if (vga_interface_available(VGA_STD)) {
4698 select_vgahw(vga_model);
4702 i = select_watchdog(watchdog);
4704 exit (i == 1 ? 1 : 0);
4707 /* This checkpoint is required by replay to separate prior clock
4708 reading from the other reads, because timer polling functions query
4709 clock values from the log. */
4710 replay_checkpoint(CHECKPOINT_INIT);
4711 qdev_machine_init();
4713 current_machine->ram_size = ram_size;
4714 current_machine->maxram_size = maxram_size;
4715 current_machine->ram_slots = ram_slots;
4716 current_machine->boot_order = boot_order;
4717 current_machine->cpu_model = cpu_model;
4720 /* parse features once if machine provides default cpu_type */
4721 if (machine_class->default_cpu_type) {
4722 current_machine->cpu_type = machine_class->default_cpu_type;
4724 current_machine->cpu_type =
4725 cpu_parse_cpu_model(machine_class->default_cpu_type, cpu_model);
4729 machine_run_board_init(current_machine);
4735 if (hax_enabled()) {
4739 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4740 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4744 /* init USB devices */
4745 if (machine_usb(current_machine)) {
4746 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4750 /* Check if IGD GFX passthrough. */
4753 /* init generic devices */
4754 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4755 if (qemu_opts_foreach(qemu_find_opts("device"),
4756 device_init_func, NULL, NULL)) {
4760 cpu_synchronize_all_post_init();
4762 rom_reset_order_override();
4765 * Create frontends for -drive if=scsi leftovers.
4766 * Normally, frontends for -drive get created by machine
4767 * initialization for onboard SCSI HBAs. However, we create a few
4768 * more ever since SCSI qdevification, but this is pretty much an
4769 * implementation accident, and deprecated.
4771 scsi_legacy_handle_cmdline();
4773 /* Did we create any drives that we failed to create a device for? */
4774 drive_check_orphaned();
4776 /* Don't warn about the default network setup that you get if
4777 * no command line -net or -netdev options are specified. There
4778 * are two cases that we would otherwise complain about:
4779 * (1) board doesn't support a NIC but the implicit "-net nic"
4781 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4782 * sets up a nic that isn't connected to anything.
4785 net_check_clients();
4790 qemu_boot_set(boot_once, &error_fatal);
4791 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4794 ds = init_displaystate();
4796 /* init local displays */
4797 switch (display_type) {
4799 curses_display_init(ds, full_screen);
4802 sdl_display_init(ds, full_screen, no_frame);
4805 cocoa_display_init(ds, full_screen);
4808 gtk_display_init(ds, full_screen, grab_on_hover);
4814 /* must be after terminal init, SDL library changes signal handlers */
4815 os_setup_signal_handling();
4817 /* init remote displays */
4819 qemu_opts_foreach(qemu_find_opts("vnc"),
4820 vnc_init_func, NULL, NULL);
4824 qemu_spice_display_init();
4827 #ifdef CONFIG_OPENGL_DMABUF
4828 if (display_type == DT_EGL) {
4829 egl_headless_init();
4833 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4837 qdev_machine_creation_done();
4839 /* TODO: once all bus devices are qdevified, this should be done
4840 * when bus is created by qdev.c */
4841 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4842 qemu_run_machine_init_done_notifiers();
4844 if (rom_check_and_register_reset() != 0) {
4845 error_report("rom check and register reset failed");
4851 /* This checkpoint is required by replay to separate prior clock
4852 reading from the other reads, because timer polling functions query
4853 clock values from the log. */
4854 replay_checkpoint(CHECKPOINT_RESET);
4855 qemu_system_reset(SHUTDOWN_CAUSE_NONE);
4856 register_global_state();
4857 if (replay_mode != REPLAY_MODE_NONE) {
4858 replay_vmstate_init();
4859 } else if (loadvm) {
4860 Error *local_err = NULL;
4861 if (load_snapshot(loadvm, &local_err) < 0) {
4862 error_report_err(local_err);
4867 qdev_prop_check_globals();
4868 if (vmstate_dump_file) {
4870 dump_vmstate_json_to_file(vmstate_dump_file);
4875 Error *local_err = NULL;
4876 qemu_start_incoming_migration(incoming, &local_err);
4878 error_reportf_err(local_err, "-incoming %s: ", incoming);
4881 } else if (autostart) {
4888 replay_disable_events();
4889 iothread_stop_all();
4895 /* vhost-user must be cleaned up before chardevs. */
4900 user_creatable_cleanup();
4901 /* TODO: unref root container, check all devices are ok */